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  HGP Industries Inc.   High Performance Glazing  

Commercial Insulating Glass Performance Data

   

High Performance Glazing

HGP logo                                                                                                      08810/SOU

COMMERCIAL INSULATING GLASS PERFORMANCE DATA

BuyLine 5191

GLASS TYPE/
PRODUCT
CODE

Heat Mirror™ insulating Glass

GLASS
THICKNESS
inches

TRANSMITTANCE

REFLECTANCE
EXTERIOR

WINTER
NIGHTTIME

SUMMER
DAYTIME
U-Value

SHADING
COEF.

RELATIVE HEAD GAIN

Btu's/Hr/Ft2

Dayling

Solar

UV

Daylight

Solar

1" *

1 1/2**

1" *

1 1/2**

Clear Std. IG
HMTC88
HMSC75
HM88
HM77
HM66
HM55
HM44

1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4

79
63
61
70
63
53
46
37

61
34
27
42
33
26
21
17

.50
.50
.50
.50
.50
.50
.50
.50

15
14
23
19
23
33
40
49

12
23
34
23
32
40
45
50

0.48
0.27
0.30
0.32
0.31
0.31
0.31
0.31

0.49
0.18
0.21
0.23
0.22
0.22
0.21
0.21

0.55
0.32
0.35
0.37
0.36
0.35
0.34
0.34

0.51
0.22
0.25
0.27
0.25
0.24
0.23
0.23

    0.81
    0.55
    0.41
    0.62
    0.49
    0.39
    0.33
    0.27

169
114
87
  128
103
83
71
60

 

GLASS TYPE/
PRODUCT
CODE  

GLASS
THICKNESS
inches

TRANSMITTANCE

REFLECTANCE
EXTERIOR

WINTER
NIGHTTIME

SUMMER
DAYTIME
U-Value

SHADING
COEF.

RELATIVE HEAD GAIN

Btu's/Hr/Ft2

Dayling

Solar

UV

Daylight

Solar

1" *

1 1/2**

1" *

1 1/2**

Green Std. HMTC88
HMSC75
HM88
HM77
HM66
HM55
HM44

1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4

69
55
53
61
55
46
40
32

39
24
21
29
24
19
16
13

.50
.50
.50
.50
.50
.50
.50
.50

13
12
18
15
18
26
31
38

8
10
14
11
14
18
20
23

0.48
0.27
0.30
0.32
0.31
0.31
0.31
0.31

0.49
0.18
0.21
0.23
0.22
0.22
0.21
0.21

0.57
0.32
0.36
0.37
0.36
0.35
0.35
0.35

0.55
0.22
0.25
0.27
0.26
0.24
0.24
0.24

    0.56
    0.40
    0.34
    0.44
    0.38
    0.32
    0.28
   0.24

121
85
73
93
81
68
61
53

 

GLASS TYPE/
PRODUCT
CODE 

GLASS
THICKNESS
inches

TRANSMITTANCE

REFLECTANCE
EXTERIOR

WINTER
NIGHTTIME

SUMMER
DAYTIME
U-Value

SHADING
COEF.

RELATIVE HEAD GAIN

Btu's/Hr/Ft2

Dayling

Solar

UV

Daylight

Solar

1" *

1 1/2**

1" *

1 1/2**

Blue Std. IG
HMTC88
HMSC75
HM88
HM77
HM66
HM55
HM44

1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4

64
51
49
56
51
43
37
30

29
20
19
23
20
16
14
11

24
.50
.50
.50
.50
.50
.50
.50

12
11
17
14
17
23
28
34

7
8
10
9
10
13
15
17

0.48
0.27
0.30
0.32
0.31
0.31
0.31
0.31

0.49
0.18
0.21
0.23
0.22
0.22
0.21
0.21

0.57
0.32
0.36
0.37
0.36
0.35
0.35
0.35

0.56
0.21
0.25
0.27
0.26
0.24
0.24
0.24

    0.46
    0.34
    0.31
    0.37
    0.33
    0.28
    0.25
    0.22

100
73
67
79
71
62
56
49

 

GLASS TYPE/
PRODUCT
CODE

GLASS
THICKNESS
inches

TRANSMITTANCE

REFLECTANCE
EXTERIOR

WINTER
NIGHTTIME

SUMMER
DAYTIME
U-Value

SHADING
COEF.

RELATIVE HEAD GAIN

Btu's/Hr/Ft2

Dayling

Solar

UV

Daylight

Solar

1" *

1 1/2**

1" *

1 1/2**

Bronze Std. IG
HMTC88
HMSC75
HM88
HM77
HM66
HM55
HM44

1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4

48
38
36
42
38
32
27
22

39
21
17
27
20
16
13
10

21
.50
.50
.50
.50
.50
.50
.50

9
8
11
10
11
15
18
21

8
13
18
13
17
21
22
24

0.48
0.27
0.30
0.32
0.31
0.31
0.31
0.31

0.49
0.18
0.21
0.23
0.22
0.22
0.21
0.21

0.57
0.32
0.36
0.37
0.36
0.35
0.35
0.35

0.55
0.22
0.25
0.27
0.26
0.24
0.24
0.24

   0.58
    0.38
    0.30
    0.43
    0.35
    0.28
    0.25
    0.21

    124
    80
    64
    91
    75
    62
    55
    48

 

GLASS TYPE/
PRODUCT
CODE

GLASS
THICKNESS
inches

TRANSMITTANCE

REFLECTANCE
EXTERIOR

WINTER
NIGHTTIME

SUMMER
DAYTIME
U-Value

SHADING
COEF.

RELATIVE HEAD GAIN

Btu'S /Hr/Ft2

Dayling

Solar

UV

Daylight

Solar

1" *

1 1/2**

1" *

1 1/2**

Gray Std. IG
HMTC88
HMSC75
HM88
HM77
HM66
HM55
HM44

1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4

40
32
30
35
32
27
23
19

33
18
14
23
17
13
11
9

20
.50
.50
.50
.50
.50
.50
.50

7
7
9
8
9
12
14
16

7
11
14
11
14
16
17
19

0.48
0.27
0.30
0.32
0.31
0.31
0.31
0.31

0.49
0.18
0.21
0.23
0.22
0.22
0.21
0.21

0.57
0.32
0.36
0.37
0.36
0.35
0.35
0.35

0.56
0.22
0.25
0.27
0.26
0.24
0.24
0.24

0.52
0.34
0.27
0.38
0.31
0.26
0.23
0.20 

112
    72
    59
    82
    68
    57
    51
    45

 

GLASS TYPE/
PRODUCT
CODE

California Series® Insulating Glass1

GLASS
THICKNESS
inches

TRANSMITTANCE

REFLECTANCE
EXTERIOR

WINTER
NIGHTTIME

SUMMER
DAYTIME
U-Value

SHADING
COEF.

RELATIVE HEAD GAIN

Btu's/Hr/Ft2

Dayling

Solar

UV

Daylight

Solar

1" *

1 1/2**

1" *

1 1/2**

Std. Laminated IG

1/4

81

57

.50

16

12

0.48

  N/A

 0.55

  N/A

0.77

161

White Water Crystal

1/4

65

32

.50

13

32

0.48

  N/A

0.54

  N/A

0.45

98

Sea Foam Clear

1/4

63

29

.50

12

26

0.48

  N/A

0.55

  N/A

0.42

93

Low-E Sea Foam Clr2

1/4

58

27

.50

13

26

0.35

  N/A

0.38

  N/A

0.38

82

Sierra Green

1/4

58

24

.50

11

25

0.48

  N/A

0.55

  N/A

0.37

83

Moss Green

1/4

54

22

.50

10

25

0.48

  N/A

0.56

  N/A

0.35

77

Tahoe Blue

1/4

54

22

.50

10

25

0.48

  N/A

0.56

  N/A

0.35

77

Mojave Bronze

1/4

46

21

.50

9

25

0.48

  N/A

0.56

  N/A

0.35

77

Carmel Gray

1/4

42

20

.50

8

13

0.48

  N/A

0.56

  N/A

0.33

74

*Overall unit thickness.
Performance information for LOF's EverGreen® and Ford's Blue is available from Southwall. Data used for Green, Blue, Bronze and Gray is that for PPG Industries Solex®, Azurlite®, Solarbronze® and Solargray®. All data calculated using 1995 Spectral Data from Lawrence Berkeley Laboratories' Window 4. 1 analysis program. For metric values, contact Southwall's Architectural Services Department at 1-800-365-8794.
1 Uses 1/4" California Series used as outside lite of insulating glass unit with 1/4" clear inside lite.
2 Uses LOF Energy Advantage™ pyrolytic low emissivity glass.



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